Secondhand vaping: The latest vaping health risk CNET Study finds secondhand smoke may be source of lead exposure in children, adolescents Vital Record When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center